Need Social Bookmarking sites of high PR?

[Justin]

Hello,
I need high PR social bookmarking sites.
Note:
I already have many High PR site such as Raddit, Stumbleopen, Slashdot, URL, Squido, Newsvine, etc so please let me provide new sites of High PR must do follow.
Thanks in Advance

[Thomas]

websitebookmarking,topbizzlinks.com,

[Azzi]

below are some high PR list hope its useful for you.

stumbleupon.com9
pinterest.com/8
delicious.com5
tumblr.com/5
url.org/5
dropjack.com/5
bibsonomy.org/7
blinklist.com6
folkd.com/6
blinklist.com/6
youmob.com/default.aspx4
slashdot.org/8
diigo.com/user/warner64
newsgarbage.com/3
technogies.com/4
yigg.de8
youbookmarks.com5
newsvine.com/7
plurk.com/top/7
fark.com7
oknotizie.virgilio.it7
ziczac.it5
my.xmarks.com/#6
dzone.com/links/index.html6
scoopit.co.nz/6
linkagogo.com/5
jumptags.com/5
dotnetkicks.com/6
Buddymarks.com4
fwisp.com/5
Startaid.com2
givealink.org/main/show5
linkarena.com/7
webseoexpertservices.com/7
dipity.com7